CN113325818A - Test device of electro-hydraulic control system - Google Patents
Test device of electro-hydraulic control system Download PDFInfo
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- CN113325818A CN113325818A CN202110423911.5A CN202110423911A CN113325818A CN 113325818 A CN113325818 A CN 113325818A CN 202110423911 A CN202110423911 A CN 202110423911A CN 113325818 A CN113325818 A CN 113325818A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The embodiment of the application discloses a testing device of an electro-hydraulic control system, which is used for solving the problem that the actual fault condition of accessories of the electro-hydraulic control system is difficult to determine in the prior art. The device comprises a controller group, a first driver, a second driver, an electromagnetic valve group, an oil cylinder and a test component; the controller group comprises a plurality of controllers, and a first controller in the plurality of controllers is connected with the first driver and used for sending a first control instruction to the first driver; a second controller in the plurality of controllers is connected with the second driver and is used for sending a second control instruction to the second driver; the first driver is connected with the testing component, and the testing result of the testing component on the first driver is used for determining the fault condition of the first driver; and the second driver is sequentially connected with the electromagnetic valve bank and the oil cylinder, and the response result of the oil cylinder to the second control instruction is used for determining the fault condition of the electromagnetic valve bank. The device can determine the actual fault condition of the accessories of the electro-hydraulic control system.
Description
Technical Field
The application relates to the technical field of testing, in particular to a testing device of an electro-hydraulic control system.
Background
The support that the fully mechanized face used is all equipped with the electric hydraulic control system, and in the hydraulic support operation process, the electric hydraulic control system plays indispensable important role, can effectively promote work efficiency's promotion, alleviates staff's intensity of labour, still is the basic guarantee of system's safe operation simultaneously, but also can bring high accessory maintenance cost simultaneously.
At present, when a maintainer processes a fault of an electro-hydraulic control system, an elimination method is often adopted, namely, accessories are replaced step by step until the electro-hydraulic control system recovers to a normal working state. The replaced parts are all recycled to the factory for maintenance, wherein the true fault parts exist, and the good parts which are judged as fault parts by mistake are not lacked. This results in significant loss of good parts over time and high maintenance of the parts. Therefore, how to further determine the actual failure condition of the fitting becomes an urgent problem to be solved.
Disclosure of Invention
The embodiment of the application aims to provide a testing device of an electro-hydraulic control system, which is used for solving the problem that the actual fault condition of accessories of the electro-hydraulic control system is difficult to determine in the prior art.
In order to solve the above technical problem, the embodiment of the present application is implemented as follows:
the embodiment of the application provides a testing device of an electro-hydraulic control system, which is characterized by comprising a controller group, a first driver, a second driver, an electromagnetic valve group, an oil cylinder and a testing component, wherein the controller group comprises a first driver, a second driver, a first electromagnetic valve group and a second electromagnetic valve group; wherein:
the controller group comprises a plurality of controllers with communication connection relations, and a first controller in the controllers is connected with the first driver and used for sending a first control instruction to the first driver; a second controller of the plurality of controllers is connected with the second driver and is used for sending a second control instruction to the second driver;
the first driver is connected with the test component, and the first driver controls the test component based on the first control instruction; the test result of the test component on the first driver is used for determining the fault condition of the first driver;
the second driver is sequentially connected with the electromagnetic valve group and the oil cylinder, and the electromagnetic valve group controls the oil cylinder to execute corresponding actions based on the second control instruction; and the response result of the oil cylinder to the second control instruction is used for determining the fault condition of the electromagnetic valve group.
The test device of the electro-hydraulic control system provided by the embodiment of the application comprises a controller group, a first driver, a second driver, an electromagnetic valve group, an oil cylinder and a test component. The controller group comprises a plurality of controllers with communication connection relations, a first controller in the plurality of controllers is connected with a first driver and used for sending a first control command to the first driver, the first driver is connected with the testing component, so that the testing component is controlled based on the first control command, and the testing result of the testing component on the first driver is used for determining the fault condition of the first driver. And a second controller in the plurality of controllers is connected with a second driver and used for sending a second control instruction to the second driver, the second driver is sequentially connected with the electromagnetic valve group and the oil cylinder, the electromagnetic valve group controls the oil cylinder to execute corresponding actions based on the second control instruction, and a response result of the oil cylinder to the second control instruction is used for determining the fault condition of the electromagnetic valve group. Therefore, the device can detect the fault conditions of accessories such as a driver, an electromagnetic valve group and the like in the electro-hydraulic control system to obtain the actual fault conditions of the accessories, so that good accessories which are judged to be fault accessories by mistake can be screened out for recycling, the number of the accessories to be maintained is reduced, and the maintenance cost of the electro-hydraulic control system is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative effort.
FIG. 1 is a schematic block diagram of a test setup of an electro-hydraulic control system according to an embodiment of the present application;
FIG. 2 is a schematic block diagram of a test setup of an electro-hydraulic control system according to another embodiment of the present application.
Detailed Description
The embodiment of the application aims to provide a testing device of an electro-hydraulic control system, which is used for solving the problem that the actual fault condition of accessories of the electro-hydraulic control system is difficult to determine in the prior art.
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
FIG. 1 is a schematic block diagram of a testing apparatus of an electro-hydraulic control system according to an embodiment of the present application, as shown in FIG. 1, the apparatus includes a controller group 110, a first driver 120, a second driver 130, a solenoid valve group 140, a cylinder 150, and a testing component 160; wherein the content of the first and second substances,
the controller group 110 includes a plurality of controllers having a communication connection relationship, and a first controller 111 of the plurality of controllers is connected to the first driver 120 for transmitting a first control instruction to the first driver 120. A second controller 112 of the plurality of controllers is connected to the second driver 130 for sending second control instructions to the second driver 130.
The first driver 120 is connected to the test unit 160, the first driver 120 controls the test unit 160 based on the first control instruction, and the test result of the test unit 160 on the first driver 120 is used to determine a failure condition of the first driver 120.
The second driver 130 is sequentially connected with the solenoid valve bank 140 and the oil cylinder 150, the solenoid valve bank 140 controls the oil cylinder 150 to execute corresponding actions based on a second control instruction, and a response result of the oil cylinder 150 to the second control instruction is used for determining a fault condition of the solenoid valve bank 140.
As shown in fig. 1, the controller group 110 includes at least one third controller 113 (only one third controller 113 is schematically shown in fig. 1, it should be understood that if there are more third controllers 113, the third controllers 113 are connected in sequence), and the third controller 113 sends the first control instruction to the first controller 111 and/or sends the second control instruction to the second controller 112 based on the communication connection relationship. The third controller 113 may send a control instruction to the corresponding first controller 111 and/or second controller 112 according to a preset control relationship.
In one embodiment, the at least one third controller 113 may be a controller to be tested, and the controller to be tested is provided with a control panel on which a communication indicator lamp and at least one control key are provided.
The communication indicator lamp is used for indicating the fault condition of the controller to be tested. If the communication indicator lamp is in an off state, the controller to be tested cannot communicate with other controllers, and the fact that the controller to be tested has system faults and needs to be returned to a factory for maintenance can be determined. If the communication indicator lamp is in the lighting state, the controller to be tested can communicate with other controllers, and subsequent operations can be further executed to determine whether other fault conditions exist in the controller to be tested. The communication indicator light may be an LED light.
The controller to be tested stores the control relationship between each control key and the first controller 111 or the second controller 112, and the test result or the response result is used for determining the fault condition of each control key. In this embodiment, when it is determined that the controller to be tested can communicate with other controllers, each control key may be triggered, so as to send a control instruction to the corresponding first controller 111 or second controller 112 based on the control relationship, and determine a failure condition of each control key according to whether the test result of the test component 160 or the response result of the oil cylinder 150 is consistent with that indicated by the control instruction.
If the test result of the test part 160 or the response result of the oil cylinder 150 is consistent with that indicated by the control instruction, it is determined that there is no fault in the corresponding control key, and the controller to be tested is a good component. If the test result of the test component 160 or the response result of the oil cylinder 150 is inconsistent with the control instruction, it is determined that the corresponding control key has a fault. For the controller to be tested with only control keys having faults, the automatic maintenance can be carried out.
In this embodiment, the controller to be tested sends the control instruction to the first controller and/or the second controller, and the fault condition of the controller to be tested can be detected, so that the actual fault condition of the controller to be tested is judged, a good part misjudged as a fault part is favorably screened out, a fault part capable of being maintained autonomously is screened out, the number of parts returned to the factory for maintenance is reduced, and the maintenance cost of the electro-hydraulic control system is reduced.
As shown in fig. 1, the solenoid valve set 140 includes at least one solenoid pilot valve 141, and a valve element 142 respectively connected to each solenoid pilot valve 141 (only one solenoid pilot valve 141 and the valve element 142 connected to the solenoid pilot valve 141 are schematically shown in fig. 1). Each of the electromagnetic pilot valves 141 is connected to the second actuator 130, and drives the valve element 142 based on the control of the second actuator 130. Each valve core 142 is connected to the oil cylinder 150, and is used for driving the corresponding oil cylinder 150 to perform corresponding action based on the driving of the electromagnetic pilot valve 141, and the response result of the oil cylinder 150 is used for determining the fault condition of the corresponding electromagnetic pilot valve 141.
Wherein, the fault condition of the corresponding electromagnetic pilot valve 141 can be determined according to whether the response result of the oil cylinder 150 is consistent with that indicated by the second control instruction. If the response result of the oil cylinder 150 is inconsistent with the result indicated by the second control instruction, it can be determined that the corresponding electromagnetic pilot valve 141 has a fault and needs to be returned to the factory for maintenance. If the response result of the cylinder 150 is identical to that indicated by the second control command, it is determined that the corresponding electromagnetic pilot valve 141 has no malfunction, that is, the electromagnetic pilot valve 141 is a misjudged good component.
In this embodiment, through interconnect's second driver, electromagnetic pilot valve, case and hydro-cylinder, based on the response result of hydro-cylinder to second control command, can realize detecting the fault condition of electromagnetic pilot valve to judge the actual fault condition of electromagnetic pilot valve, be favorable to selecting the good accessory of being judged as the trouble accessory by mistake, reduce the quantity of the accessory of returning the factory to maintain, with the maintenance cost that reduces the electric-hydraulic control system.
In one embodiment, the test component 160 may include a plurality of mine lamps. The first driver 120 is provided with at least one driving line, each driving line is respectively connected with two miner lamps for controlling the two miner lamps, and the test results of the two miner lamps are used for determining the fault condition of the corresponding driving line.
And determining the fault condition of the corresponding driving wire according to whether the test results of the two miner lamps are consistent with those indicated by the first control instruction. If the test results of the two miner lamps are inconsistent with the test results indicated by the first control instruction, the corresponding driving wires can be determined to have faults and need to be returned to the factory for maintenance. If the test results of the two miner lamps are consistent with those indicated by the first control instruction, it can be determined that the corresponding driving wires are not in fault. If there is no failure in all the drive lines in the first driver 120, it can be determined that the first driver 120 is a misjudged good accessory.
In this embodiment, through interconnect's first driver and test component, based on the test result of test component, can realize detecting the fault condition of driver to judge the actual fault condition of driver, be favorable to sieving the good accessory of being judged as the trouble accessory by mistake, reduce the quantity of the accessory of returning the factory to maintain, with the maintenance cost that reduces the electric-hydraulic control system.
In one embodiment, the testing device of the electro-hydraulic control system can comprise a part to be tested, and the part to be tested can comprise a driver to be tested, an electromagnetic pilot valve to be tested and a controller to be tested. The accessories to be tested are the accessories which are replaced from the electro-hydraulic control equipment in the process of maintaining the electro-hydraulic control system.
Wherein the driver to be tested is used to replace the first driver 120 such that the test result of the test component 160 is used to determine a failure condition of the driver to be tested. The electromagnetic pilot valve to be tested is used to replace any one of the electromagnetic pilot valves 141 in the electromagnetic valve bank 140 so that the response result of the cylinder 150 is used to determine the fault condition of the electromagnetic pilot valve to be tested. The controller to be tested is used to replace any one of the at least one third controller 113, to determine a fault condition of the controller to be tested based on the test result of the test part 160 or the response result of the cylinder 150.
It should be noted that the controller group 110, the first driver 120, the second driver 130, the solenoid valve group 140, the oil cylinder 150, and the test component 160, which form the test device of the electro-hydraulic control system, are good accessories, and in the process of replacing the to-be-tested accessories into the test device of the electro-hydraulic control system to detect the fault condition of the to-be-tested accessories, the to-be-tested accessories can be simultaneously replaced onto the first driver 120 and the solenoid valve group 140, and at this time, it is necessary to ensure that each controller in the controller group 110 is a good accessory. When replacing the controller to be tested to any one of the third controllers 113, it is necessary to ensure that the other controllers in the controller group 110, the first actuator 120, the second actuator 130, the solenoid valve group 140, the oil cylinder 150, and the test part 160 are good fittings. Therefore, the accuracy of the detected fault condition of each accessory to be tested is ensured.
The test device of the electro-hydraulic control system provided by the embodiment of the application comprises a controller group, a first driver, a second driver, an electromagnetic valve group, an oil cylinder and a test component. The controller group comprises a plurality of controllers with communication connection relations, a first controller in the plurality of controllers is connected with a first driver and used for sending a first control command to the first driver, the first driver is connected with the testing component, so that the testing component is controlled based on the first control command, and the testing result of the testing component on the first driver is used for determining the fault condition of the first driver. And a second controller in the plurality of controllers is connected with a second driver and used for sending a second control instruction to the second driver, the second driver is sequentially connected with the electromagnetic valve group and the oil cylinder, the electromagnetic valve group controls the oil cylinder to execute corresponding actions based on the second control instruction, and a response result of the oil cylinder to the second control instruction is used for determining the fault condition of the electromagnetic valve group. Therefore, the device can detect the fault conditions of accessories such as a driver, an electromagnetic valve group and the like in the electro-hydraulic control system to obtain the actual fault conditions of the accessories, so that good accessories which are judged to be fault accessories by mistake can be screened out for recycling, the number of the accessories to be maintained is reduced, and the maintenance cost of the electro-hydraulic control system is reduced.
To facilitate understanding of the testing apparatus of the electro-hydraulic control system provided in the embodiment of the present application, the following will describe in detail the testing apparatus of the electro-hydraulic control system provided in the embodiment of the present application by taking a controller group composed of six controllers as an example, as shown in fig. 2, the testing apparatus includes a controller group 210, a first driver 220, a second driver 230, a solenoid valve group 240, an oil cylinder group 250, and a mining lamp group 260.
The controller group 210 includes a first controller 211, a second controller 212, a third controller 213, a fourth controller 214, a fifth controller 215, and a sixth controller 216, which are sequentially connected in a communication manner.
The first controller 211 is connected to the first driver 220, and is configured to send a first control instruction received from any one of the third controller 213 to the sixth controller 216 to the first driver 220. The first driver 220 is connected with the miner lamp set 260, the first driver 220 controls the miner lamp set 260 based on the first control instruction, and the test result of the miner lamp set 260 on the first driver 220 is used for determining the fault condition of the first driver 220.
The first driver 220 is provided with at least one driving line, each driving line is connected to two miner lamps respectively for controlling the two miner lamps, and the test results of the two miner lamps are used for determining the fault condition of the corresponding driving line. Fig. 2 only schematically shows the driving lines 221 and the driving lines 222 provided in the first driver 220, where the driving lines 221 are connected to the mine lamps 261 and 262 in the mine lamp group 260, respectively, and the driving lines 222 are connected to the mine lamps 263 and 264 in the mine lamp group 260, respectively. If more driving wires are disposed in the first driver, the connection manner between each driving wire and each miner's lamp can be referred to fig. 2.
The second controller 212 is connected to the second driver 230, and is configured to send a second control instruction received from any one of the third controller 213 to the sixth controller 216 to the second driver 230. The second driver 230 is connected to the solenoid valve set 240 and the cylinder set 250 in turn, the solenoid valve set 240 controls the cylinder set 250 to perform corresponding actions based on the second control command, and the response result of the cylinder set 250 to the second control command is used to determine the fault condition of the solenoid valve set 240.
The electromagnetic valve set 240 includes at least one electromagnetic pilot valve and a valve core connected to each electromagnetic pilot valve. Fig. 2 only schematically shows the electromagnetic pilot valve 241 and the electromagnetic pilot valve 242 in the electromagnetic valve set 240, and the electromagnetic pilot valve 241 is connected with the valve spool 243, and the electromagnetic pilot valve 242 is connected with the valve spool 244. If more electromagnetic pilot valves are arranged in the electromagnetic valve group, the connection mode of each electromagnetic pilot valve and the valve core can refer to fig. 2.
Each electromagnetic pilot valve is connected with the second driver 230, and is used for driving the valve element based on the control of the second driver 230. Each valve core is respectively connected with the oil cylinder in the oil cylinder group and used for driving the corresponding oil cylinder to execute corresponding action based on the driving of the electromagnetic pilot valve, and the response result of the oil cylinder is used for determining the fault condition of the corresponding electromagnetic pilot valve. Fig. 2 only schematically shows the case where the spool 243 is connected to the cylinders 251 of the cylinder group 250 and the spool 244 is connected to the cylinders 252 of the cylinder group 250.
In this embodiment, the third controller 213, the fourth controller 214, the fifth controller 215, and the sixth controller 216 may respectively send control instructions to the first controller 211 and/or the second controller 212 according to preset control relationships and based on the communication connection relationships, so as to control corresponding mining lamps and/or cylinders to perform corresponding actions.
In the following, the working principle of the test device of the electro-hydraulic control system shown in fig. 2 is explained in detail:
when the testing device of the electro-hydraulic control system shown in fig. 2 is used for testing the fault condition of the driver, only the driver to be tested can be replaced on the first driver 220, the control instruction sent by the controller corresponding to the preset control relationship is received according to the connection relationship with the first controller 211, the miner lamp group 260 is controlled by using the received control instruction according to the connection relationship with the miner lamp group 260, and the fault condition of the driver to be tested is determined according to whether the testing result of the miner lamp group 260 is consistent with the control instruction or not.
When the testing device of the electro-hydraulic control system shown in fig. 2 is used to test the fault condition of the electromagnetic pilot valve, only the electromagnetic pilot valve to be tested can be replaced to any electromagnetic pilot valve in the electromagnetic valve set 240, the second driver 230 controls the electromagnetic pilot valve to be tested according to the received control instruction sent by the controller corresponding to the preset control relationship, the electromagnetic pilot valve to be tested drives the corresponding valve core, so as to drive the oil cylinder connected with the valve core to execute the corresponding action, and the fault condition of the electromagnetic pilot valve to be tested is determined according to whether the response result of the oil cylinder is consistent with the control instruction.
When the testing device of the electro-hydraulic control system shown in fig. 2 is used for testing the fault condition of the controller, the controller to be tested can be replaced to any one of the third controller 213, the fourth controller 214, the fifth controller 215 and the sixth controller 216, and a control instruction is sent to the first controller 211 and/or the second controller 212 according to a preset control relationship to control the corresponding mining lamp and/or the corresponding oil cylinder to execute corresponding actions, so that the fault condition of the controller to be tested is determined according to whether the testing result of the mining lamp is consistent with that indicated by the control instruction and/or whether the response result of the oil cylinder is consistent with that indicated by the control instruction. If the controller to be tested sends the control instruction to both the first controller 211 and the second controller 212, it is determined that the controller to be tested has no fault only when the test result of the miner lamp is consistent with the control instruction and the response result of the oil cylinder is consistent with the control instruction.
The test device of the electro-hydraulic control system provided by the embodiment of the application can realize detecting the fault conditions of accessories such as a driver, an electromagnetic valve group and a controller in the electro-hydraulic control system to obtain the actual fault conditions of all the accessories, so that good accessories which are misjudged as fault accessories can be screened out, the good accessories are recycled, the number of the accessories to be maintained is reduced, and the maintenance cost of the electro-hydraulic control system is reduced.
In summary, particular embodiments of the present subject matter have been described. Other embodiments are within the scope of the following claims. In some cases, the actions recited in the claims can be performed in a different order and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may be advantageous.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. The test device of the electro-hydraulic control system is characterized by comprising a controller group, a first driver, a second driver, an electromagnetic valve group, an oil cylinder and a test component; wherein:
the controller group comprises a plurality of controllers with communication connection relations, and a first controller in the controllers is connected with the first driver and used for sending a first control instruction to the first driver; a second controller of the plurality of controllers is connected with the second driver and is used for sending a second control instruction to the second driver;
the first driver is connected with the test component, and the first driver controls the test component based on the first control instruction; the test result of the test component on the first driver is used for determining the fault condition of the first driver;
the second driver is sequentially connected with the electromagnetic valve group and the oil cylinder, and the electromagnetic valve group controls the oil cylinder to execute corresponding actions based on the second control instruction; and the response result of the oil cylinder to the second control instruction is used for determining the fault condition of the electromagnetic valve group.
2. The apparatus of claim 1, wherein the controller group further comprises at least one third controller, and the third controller sends the first control instruction to the first controller and/or sends the second control instruction to the second controller based on the communication connection relationship.
3. The apparatus of claim 2, wherein the at least one third controller is a controller to be tested.
4. The device of claim 3, wherein the controller to be tested is provided with a control panel, and a communication indicator lamp and at least one control key are arranged on the control panel;
the communication indicator lamp is used for indicating the fault condition of the controller to be tested;
the controller to be tested stores the control relationship between each control key and the first controller or the second controller, and the test result or the response result is used for determining the fault condition of each control key.
5. The apparatus of claim 1, wherein the solenoid valve assembly comprises at least one solenoid pilot valve and a valve spool connected to each solenoid pilot valve;
each electromagnetic pilot valve is respectively connected with the second driver and used for driving the valve core based on the control of the second driver;
and each valve core is respectively connected with the oil cylinder and used for driving the corresponding oil cylinder to execute the corresponding action based on the driving of the electromagnetic pilot valve, and the response result of the oil cylinder is used for determining the fault condition of the corresponding electromagnetic pilot valve.
6. The apparatus of claim 1, wherein the test component comprises a plurality of mine lamps.
7. The apparatus of claim 6, wherein at least one driving line is disposed in the first driver, each driving line is connected to two miner lamps for controlling the two miner lamps, and the test results of the two miner lamps are used to determine the fault condition of the corresponding driving line.
8. The apparatus of claim 5, further comprising a fitting to be tested, the fitting to be tested comprising a driver to be tested and/or an electromagnetic pilot valve to be tested.
9. The apparatus of claim 8, wherein the driver under test is configured to replace the first driver such that the test results of the test component are used to determine a fault condition of the driver under test.
10. The apparatus of claim 8, wherein the electromagnetic pilot valve to be tested is used to replace any of the electromagnetic pilot valves in the set of electromagnetic pilot valves such that the response result of the cylinder is used to determine a fault condition of the electromagnetic pilot valve to be tested.
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| CN202331192U (en) * | 2011-10-26 | 2012-07-11 | 成都力拓电控技术有限公司 | Fault comprehensive diagnosis circuit of hydraulic support electrohydraulic control system |
| CN202383214U (en) * | 2011-12-08 | 2012-08-15 | 中国神华能源股份有限公司 | Hydraulic support detecting device |
| CN102587941A (en) * | 2012-04-10 | 2012-07-18 | 重庆友诚自动化工程技术有限公司 | Mining hydraulic support monitoring system and mining hydraulic support monitoring method |
| CN203396895U (en) * | 2013-07-30 | 2014-01-15 | 三一重型装备有限公司 | Cable fault diagnosis system and hydraulic support |
| CN106812751A (en) * | 2015-12-01 | 2017-06-09 | 张学 | A kind of tiny flow quantity electromagnetic priority valve performance test hydraulic control system |
| CN107762547A (en) * | 2016-08-21 | 2018-03-06 | 王东玉 | A kind of fully-mechanized mining working surface hydraulic support computer distribution type electrohydraulic control system |
| CN108501004A (en) * | 2018-04-13 | 2018-09-07 | 宁波德深机械设备有限公司 | The teaching system of industrial robot |
| CN209625048U (en) * | 2019-04-01 | 2019-11-12 | 陕煤集团神南产业发展有限公司 | A kind of hydraulic support automatically controlled device test platform |
| CN211121990U (en) * | 2019-08-14 | 2020-07-28 | 华晨宝马汽车有限公司 | Testing device and testing bench of vehicle stability control system |
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Application publication date: 20210831 |